MICRO-STAR INTERNATIONAL CO., LTD. ================================== MS-4131G (VLB 486 AL2G) Processor 80486SX/80487SX/CX486M7/AMD486DX/AMD486DXL/80486DX/80486DX2/ Pentium Overdrive Processor 20/25/33/40/50(internal)/50/66(internal)66MHz Speed Chip Set ALI Max. 64MB Onboard DRAM Cache 128/256/512KB BIOS AMI/Award/Phoenix Dimensions 260mm x 220mm I/O 32-bit VESA local bus slots (3), green PC connector Options NPU None Options +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |------------------+----------+------------------+-----------| | External battery | JB | Reset switch | JFP pins | | | | | 19 - 20 | |------------------+----------+------------------+-----------| | Power LED & | JFP pins | Green PC | JG1 | | keylock | 1 -5 | connector | | | | | (monitor) | | |------------------+----------+------------------+-----------| | Speaker | JFP pins | Green PC LED | JG2 | | | 7 - 10 | connector | | |------------------+----------+------------------+-----------| | Turbo LED | JFP pins | Green PC | JG3 | | | 12 - 13 | connector (sleep | | | | | mode) | | |------------------+----------+------------------+-----------| | Turbo switch | JFP pins | 32-bit VESA | SL1 - SL3 | | | 15 - 17 | Local bus slots | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Jumper | Position | |------------------------------------+--------+--------------| |>> | On board battery installed | JB | pins 2 & 3 | | | | | closed | |---+--------------------------------+--------+--------------| | | External battery installed | JB | pins 1 & 2, | | | | | 3 & 4 closed | |---+--------------------------------+--------+--------------| |>> | PQFP CPU disabled | JC4 | Closed | |---+--------------------------------+--------+--------------| | | PQFP CPU enabled | JC4 | Open | |---+--------------------------------+--------+--------------| |>> | Factory configured - do not | JC6 | N/A | | | alter | | | |---+--------------------------------+--------+--------------| |>> | Monitor type select monochrome | JP1 | pins 1 & 2 | | | | | closed | |---+--------------------------------+--------+--------------| | | Monitor type select color | JP1 | pins 2 & 3 | | | | | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | |------------+---------------+---------------+---------------| | 1MB | (4) 256K x 9 | NONE | NONE | |------------+---------------+---------------+---------------| | 1MB | NONE | (1) 256K x 36 | NONE | |------------+---------------+---------------+---------------| | 1MB | NONE | NONE | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 2MB | NONE | NONE | (1) 512K x 36 | |------------+---------------+---------------+---------------| | 2MB | NONE | (1) 512K x 36 | NONE | |------------+---------------+---------------+---------------| | 2MB | NONE | (1) 256K x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 2MB | (4) 256K x 9 | (1) 256K x 36 | NONE | |------------+---------------+---------------+---------------| | 3MB | (4) 256K x 9 | (1) 256K x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 3MB | NONE | (1) 256K x 36 | (1) 512K x 36 | |------------+---------------+---------------+---------------| | 4MB | (4) 256K x 9 | (1) 256K x 36 | (1) 512K x 36 | |------------+---------------+---------------+---------------| | 4MB | (4) 1M x 9 | NONE | NONE | |------------+---------------+---------------+---------------| | 4MB | NONE | (1) 512K x 36 | (1) 512K x 36 | |------------+---------------+---------------+---------------| | 4MB | NONE | (1) 1M x 36 | NONE | |------------+---------------+---------------+---------------| | 4MB | NONE | NONE | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 5MB | NONE | (1) 256K x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 5MB | (4) 256K x 9 | (1) 1M x 36 | NONE | |------------+---------------+---------------+---------------| | 5MB | (4) 1M x 9 | (1) 256K x 36 | NONE | |------------+---------------+---------------+---------------| | 6MB | (4) 256K x 9 | (1) 1M x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 6MB | (4) 256K x 9 | (1) 256K x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 6MB | (4) 1M x 9 | (1) 256K x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 6MB | NONE | (1) 512K x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 7MB | (4) 256K x 9 | (1) 1M x 36 | (1) 512K x 36 | |------------+---------------+---------------+---------------| | 7MB | (4) 1M x 9 | (1) 256K x 36 | (1) 512K x 36 | |------------+---------------+---------------+---------------| | 8MB | NONE | NONE | (1) 2M x 36 | |------------+---------------+---------------+---------------| | 8MB | NONE | (1) 2M x 36 | NONE | |------------+---------------+---------------+---------------| | 8MB | NONE | (1) 1M x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 8MB | (4) 1M x 9 | (1) 1M x 36 | NONE | |------------+---------------+---------------+---------------| | 9MB | (4) 256K x 9 | (1) 1M x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 9MB | (4) 1M x 9 | (1) 256K x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 9MB | (4) 1M x 9 | (1) 1M x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 9MB | NONE | (1) 256K x 36 | (1) 2M x 36 | |------------+---------------+---------------+---------------| | 10MB | (4) 1M x 9 | (1) 1M x 36 | (1) 512K x 36 | |------------+---------------+---------------+---------------| | 10MB | (4) 256K x 9 | (1) 256K x 36 | (1) 2M x 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | |------------+---------------+---------------+---------------| | 10MB | NONE | (1) 512K x 36 | (1) 2M x 36 | |------------+---------------+---------------+---------------| | 12MB | (4) 1M x 9 | (1) 1M x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 12MB | NONE | (1) 1M x 36 | (1) 2M x 36 | |------------+---------------+---------------+---------------| | 13MB | (4) 1M x 9 | (1) 256K x 36 | (1) 2M x 36 | |------------+---------------+---------------+---------------| | 13MB | (4) 256K x 9 | (1) 1M x 36 | (1) 2M x 36 | |------------+---------------+---------------+---------------| | 16MB | NONE | NONE | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 16MB | NONE | (1) 4M x 36 | NONE | |------------+---------------+---------------+---------------| | 16MB | NONE | (1) 2M x 36 | (1) 2M x 36 | |------------+---------------+---------------+---------------| | 16MB | (4) 1M x 9 | (1) 1M x 36 | (1) 2M x 36 | |------------+---------------+---------------+---------------| | 17MB | (4) 256K x 9 | (1) 4M x 36 | NONE | |------------+---------------+---------------+---------------| | 17MB | NONE | (1) 256K x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 18MB | NONE | (1) 512K x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 18MB | (4) 256K x 9 | (1) 256K x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 18MB | (4) 256K x 9 | (1) 4M x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 19MB | (4) 256K x 9 | (1) 4M x 36 | (1) 512K x 36 | |------------+---------------+---------------+---------------| | 20MB | (4) 1M x 9 | (1) 4M x 36 | NONE | |------------+---------------+---------------+---------------| | 20MB | NONE | (1) 1M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 21MB | (4) 256K x 9 | (1) 1M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 21MB | (4) 1M x 9 | (1) 256K x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 21MB | (4) 256K x 9 | (1) 4M x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 21MB | (4) 1M x 9 | (1) 4M x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 21MB | (4) 4M x 9 | (1) 256K x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 21MB | (4) 1M x 9 | (1) 256K x 36 | (1) 8M x 36 | |------------+---------------+---------------+---------------| | 22MB | (4) 1M x 9 | (1) 4M x 36 | (1) 512K x 36 | |------------+---------------+---------------+---------------| | 24MB | (4) 4M x 9 | (1) 1M x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 24MB | (4) 1M x 9 | (1) 4M x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 24MB | (4) 1M x 9 | (1) 1M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 24MB | NONE | (1) 2M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 25MB | (4) 256K x 9 | (1) 4M x 36 | (1) 2M x 36 | |------------+---------------+---------------+---------------| | 25MB | (4) 4M x 9 | (1) 256K x 36 | (1) 2M x 36 | |------------+---------------+---------------+---------------| | 28MB | (4) 1M x 9 | (1) 4M x 36 | (1) 2M x 36 | |------------+---------------+---------------+---------------| | 28MB | (4) 4M x 9 | (1) 1M x 36 | (1) 2M x 36 | |------------+---------------+---------------+---------------| | 32MB | (4) 4M x 9 | NONE | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 32MB | NONE | (1) 4M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 32MB | NONE | (1) 8M x 36 | NONE | |------------+---------------+---------------+---------------| | 32MB | NONE | NONE | (1) 8M x 36 | |------------+---------------+---------------+---------------| | 32MB | (4) 4M x 9 | (1) 4M x 36 | NONE | |------------+---------------+---------------+---------------| | 33MB | (4) 4M x 9 | (1) 4M x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 33MB | (4) 4M x 9 | (1) 256K x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 33MB | (4) 256K x 9 | (1) 4M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 33MB | NONE | (1) 256K x 36 | (1) 8M x 36 | |------------+---------------+---------------+---------------| | 33MB | (4) 4M x 9 | (1) 256K x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 34MB | (4) 4M x 9 | (1) 256K x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 34MB | (4) 4M x 9 | (1) 4M x 36 | (1) 512K x 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | Bank 2 | |------------+---------------+---------------+---------------| | 34MB | (4) 256K x 9 | (1) 256K x 36 | (1) 8M x 36 | |------------+---------------+---------------+---------------| | 34MB | NONE | (1) 512K x 36 | (1) 8M x 36 | |------------+---------------+---------------+---------------| | 36MB | (4) 1M x 9 | (1) 4M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 36MB | (4) 4M x 9 | (1) 1M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 36MB | (4) 4M x 9 | (1) 4M x 36 | (1) 1M x 36 | |------------+---------------+---------------+---------------| | 36MB | NONE | (1) 1M x 36 | (1) 8M x 36 | |------------+---------------+---------------+---------------| | 37MB | (4) 256K x 9 | (1) 1M x 36 | (1) 8M x 36 | |------------+---------------+---------------+---------------| | 37MB | (4) 256K x 9 | (1) 1M x 36 | (1) 8M x 36 | |------------+---------------+---------------+---------------| | 37MB | (4) 4M x 9 | (1) 1M x 36 | (1) 256K x 36 | |------------+---------------+---------------+---------------| | 40MB | (4) 1M x 9 | (1) 1M x 36 | (1) 8M x 36 | |------------+---------------+---------------+---------------| | 40MB | (4) 4M x 9 | (1) 4M x 36 | (1) 2M x 36 | |------------+---------------+---------------+---------------| | 40MB | NONE | (1) 2M x 36 | (1) 8M x 36 | |------------+---------------+---------------+---------------| | 48MB | (4) 4M x 9 | (1) 4M x 36 | (1) 4M x 36 | |------------+---------------+---------------+---------------| | 48MB | NONE | (1) 4M x 36 | (1) 8M x 36 | |------------+---------------+---------------+---------------| | 49MB | (4) 256K x 9 | (1) 4M x 36 | (1) 8M x 36 | |------------+---------------+---------------+---------------| | 49MB | (4) 4M x 9 | (1) 256K x 36 | (1) 8M x 36 | |------------+---------------+---------------+---------------| | 52MB | (4) 1M x 9 | (1) 4M x 36 | (1) 8M x 36 | |------------+---------------+---------------+---------------| | 64MB | NONE | (1) 8M x 36 | (1) 8M x 36 | |------------+---------------+---------------+---------------| | 64MB | (4) 4M x 9 | (1) 4M x 36 | (1) 8M x 36 | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | |-------+-------------+-------------+------------------------| | 128KB | (4) 32K x 8 | NONE | (1) 8K x 8 or (1) 16K | | | | | x 8 or (1) 32K x 8 | |-------+-------------+-------------+------------------------| | 256KB | (4) 32K x 8 | (4) 32K x 8 | (1) 16K x 8 or (1) 32K | | | | | x 8 | |-------+-------------+-------------+------------------------| | 256KB | (4) 64K x 8 | NONE | (1) 16K x 8 or (1) 32K | | | | | x 8 | |-------+-------------+-------------+------------------------| | 512KB | (4) 128K x | NONE | (1) 32K x 8 | | | 8 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JS1 | JS2 | JS3 | |-------+-----------------+-----------------+----------------| | 128KB | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 | | | closed | closed | closed | |-------+-----------------+-----------------+----------------| | 256KB | pins 1 & 2 | pins 1 & 2 | pins 2 & 3 | | | closed | closed | closed | |-------+-----------------+-----------------+----------------| | 256KB | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 | | | closed | closed | closed | |-------+-----------------+-----------------+----------------| | 512KB | pins 2 & 3 | pins 1 & 2 | pins 1 & 2 | | | closed | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JC1 | JC2 | |-------------------+-------------------------+--------------| | CX486 M7 | 2A & 3A, 1B & 2B, 1C & | 1 & 2, 3 & 4 | | | 2C | | |-------------------+-------------------------+--------------| | 80486SX | 1A & 2A, 1B & 2B, 1C & | 2 & 3 | | | 2C | | |-------------------+-------------------------+--------------| | SL 80486SX | 1A & 2A, 1B & 2B, 1C & | 2 & 3 | | | 2C | | |-------------------+-------------------------+--------------| | 80487SX | 1A & 2A, 1B & 2B, 1C & | 1 & 2, 3 & 4 | | | 2C | | |-------------------+-------------------------+--------------| | AMD486DX/DXL | 1A & 2A, 1B & 2B, 1C & | 1 & 2, 3 & 4 | | | 2C | | |-------------------+-------------------------+--------------| | 80486DX/DX2 | 1A & 2A, 1B & 2B, 1C & | 1 & 2, 3 & 4 | | | 2C | | |-------------------+-------------------------+--------------| | SL 80486DX/DX2 | 1A & 2A, 1B & 2B, 1C & | 1 & 2, 3 & 4 | | | 2C | | |-------------------+-------------------------+--------------| | Pentium Overdrive | 1A & 2A, 2B & 3B, 1C & | 1 & 2, 3 & 4 | | | 2C | | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU TYPE CONFIGURATION | |------------------------------------------------------------| | Type | JC3 | JC5 | |----------------+-----------------------------------+-------| | CX486 M7 | 2A & 3A, 4A & 5A, 3B & 4B, 5B & | 1 & 2 | | | 6B, 3C & 4C, 5C & 6C | | |----------------+-----------------------------------+-------| | 80486SX | 4C & 5C | 1 & 2 | |----------------+-----------------------------------+-------| | SL 80486SX | 1A & 2A, 5A & 6A, 4C & 4D, 5C & | 1 & 2 | | | 6C | | |----------------+-----------------------------------+-------| | 80487SX | 2B & 3B, 4C & 5C | 1 & 2 | |----------------+-----------------------------------+-------| | AMD486DX/DXL | 2A & 2B, 3B & 4B, 5A & 5B, 4C & | 1 & 2 | | | 5C | | |----------------+-----------------------------------+-------| | 80486DX/DX2 | 3B & 4B, 4C & 5C | 1 & 2 | |----------------+-----------------------------------+-------| | SL 80486DX/DX2 | 1A & 2A, 3B & 4B, 4C & 4D, 5A & | 1 & 2 | | | 6A, 5C & 6C | | |----------------+-----------------------------------+-------| | Pentium | 1A & 2A, 5A &6A, 2B & 3B, 5C & 6C | 2 & 3 | | Overdrive | | | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED CONFIGURATION | |------------------------------------------------------------| | Speed | JK1 | JK2 | JK3 | |----------+---------------------------------+-------+-------| | 25MHz | 1 & 2, 7 & 9, 8 & 10, 14 & 16 | 2 & 3 | 1 & 2 | |----------+---------------------------------+-------+-------| | 33MHz | 1 & 2, 3 & 4, 5 & 6, 7 & 9, 8 & | 2 & 3 | 1 & 2 | | | 10, 14 & 16 | | | |----------+---------------------------------+-------+-------| | 40MHz | 3 & 4, 10 & 12, 14 & 16 | 1 & 2 | 2 & 3 | |----------+---------------------------------+-------+-------| | AMD40MHz | 3 & 4, 10 & 12, 14 & 16 | 4 & 5 | 2 & 3 | |----------+---------------------------------+-------+-------| | 50iMHz | 1 & 2, 7 & 9, 8 & 10, 14 & 16 | 2 & 3 | 1 & 2 | |----------+---------------------------------+-------+-------| | 50MHz | 1 & 2, 7 & 9, 10 & 12 | 1 & 2 | 2 & 3 | |----------+---------------------------------+-------+-------| | 66iMHz | 1 & 2, 3 & 4, 5 & 6, 7 & 9, 8 & | 2 & 3 | 1 & 2 | | | 10, 14 & 16 | | | |------------------------------------------------------------| | Note: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | BUS SPEED CONFIGURATION | |------------------------------------------------------------| | CPU speed | JP2 | |----------------------------+-------------------------------| | <=33MHz | pins 1 & 2 closed | |----------------------------+-------------------------------| | >33MHz | pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | VESA WAIT STATE CONFIGURATION | |------------------------------------------------------------| | Wait states | JP3 | |----------------------------+-------------------------------| | 0 wait states | pins 1 & 2 open | |----------------------------+-------------------------------| | 1 wait state | pins 1 & 2 closed | +------------------------------------------------------------+